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Displays, man. I love em’. I just came back from Portland, where I drank IPAs and visited Powell’s City of Books, the largest Independent bookstore in America. My takeaway from Powell’s was not how many books they have, but how many displays they have. They have a ton. Not only in the main areas, but even in the back areas. Almost every large bookshelf had physical displays on the endcaps, whether it be “featured” of “staff picks” or whatever. I would have appreciated them more if my 3-year-old son wasn’t having a fit, but that’s another story.

Working on the Reference Desk, we’ve all gotten this phone call: “I heard this book on NPR…forgot the title…it was about housing in America…” Now I’ve talked about my book display philosophy elsewhere, but I had a sneaking suspicion that a permanent NPR book display would do very well at my library. So, although these displays are a lot of work on the front end –  build the table, create the location, find the books, add the stickers – I gave it a try.

NPR book display

I was right.

Four months ago, I placed 48 books on the display and began tracking them via CollectionHQ “Experimental Placement”. Four months later, those 48 books have generated 323 circulations (including renewals), which is as successful as any display we’ve ever done. But that number – 323 circs – is only the tip of the iceberg. I’ve added several books since then, feeding it like a bonfire really. Today, although the physical display only holds about 50 books at a time, there are currently 265 NPR books in our system, 210 of which are checked out, generating circs and renewals as we speak. That means 79% of that collection is checked out, which probably means the turnover rate (circ/books) is insane (well over 6, according to the experiment). As a comparison, our other highest performing collection is the “New Books” section, which has 50% checked out at any given time. Urban Fiction and Graphic Novels are around 25%.

People love popular displays, but they also love carefully curated and interesting displays. People want recommendations from people they trust. Librarians, for example. That’s why “Staff Picks” are a slam dunk and that’s why our Library Reads display is popular. NPR is essentially the same concept – expert picks from author interviews that make the books come to life. Indeed, my personal reading list has expanded!

Logistical FAQs
What does the catalog say for these books? “On NPR Display”. In our ILS, we give them a special location, so everyone knows where they are – especially for patrons. It’s work, but I think it’s worth it.

How do shelvers know where to put them? The ILS says “DISPLAYNPR,” but we also put a small sticker on the spine. The sticker tells the shelver what display it goes on. There are alternative ways to do that.

How do you get the list of NPR books? RSS feed that goes into my Outlook mail every day, into a special folder actually. See NPR’s books site. Tracking the books down is a bit of work, no doubt. Sometimes they are in Cataloging, On Order, checked out, or in the stacks. Luckily, I can do most of this remotely, from my desk.

What happens when the display gets too full? This happens, but not as frequently as you might think.



pile-of-booksLibraries have different ways of dealing with extra copies. After these books are 6-8 months old, they’re ready to retire to the regular stacks. But how many copies should we hold on to? And for how long? At our library, we keep two copies and hold onto them until they get weeded (which means no checkouts in 4 years). So, browsing through our regular stacks, it’s hard not to notice the many copies of older Patterson’s, and Baldacci’s, and [any popular author we get more than two copies of]. Many are newer, but many are old – really old. Like over 10 years old. Do we really need two copies of a Patterson novel from 2002? That’s a lot of real estate, after all.

Turns out, yes.

Focusing on our Central (downtown) Branch, I recently ran an experiment in CollectionHQ tracking the performance of (a) books we had two copies of and (b) that were at least 10 years old. I scanned a large sample of these books into one experiment, a total of 281 books – from Child to Connelly, Cussler, Evononvich, Kingsbury, Koontz, Macomber, Patterson…you get the idea.

And then I waited.

In four months, 102 of those books had circulated (35%). Not bad. In six months, 129 had circulated (46%). That’s a lot, and doesn’t count renewals, which accounted for 291 circulations. And in many cases, both older copies were checked out (not just one of them).

Don’t sleep on your older but popular authors.

book and skull with title The Almost Dead Experiment

What’s a rational weeding philosophy? When is a book really dead? 6 months? 2 years? 4 years? More importantly: how do we know? Progressive, cool libraries stick to a 180 day weeding target, while old, stodgy libraries pile books to the rafters (’cause hey . . . we got the space). And some libraries (ahem, East Lake County) hate weeding so much and so blindly that they create a fake patron account to “save” books. All of these beg the same question: what data are these decisions based on?

In my new position managing the adult collection at KPL, I’m in a complex situation. While we tend to have a more conservative weeding target (4 years at main downtown library), I personally found myself leaning towards the more aggressive end of the spectrum – I just assumed that if a book sits on the shelf for 2 or 3 years, it’s probably not getting checked out.

Until now.

CollectionHQ, an evidence-based collection management tool designed for libraries (recently acquired by Baker and Taylor), is normally used for weeding and selecting. But my favorite tool, called “experimental placement,” allows you to track particular books or collections and see how they perform over time. I ran an experiment 7 months ago, the results of which completely blow my mind. It turns out that, at my library, books that haven’t been checked out in three years – three years! – are still not dead yet.

Looking at the Dewey ranges 000-550, I was able to find 907 books that hadn’t checked out in three years (our weeding target is currently set at four years). I put those 907 Almost Dead Books into a CollectionHQ experiment, and I waited.

Out of 907 books in the experiment, a whopping 232 (25%) were subsequently checked out by patrons. That is to say, 1 in every 4 Almost Dead Books were checked out. And of those 232 that were checked out, many were renewed multiple times and/or checked out again by someone else – making a net total of 469 circulations from Almost Dead Books.

Before the experiment, my prediction was that 1-5% of the Almost Dead Books would circulate again. I had to double check the numbers. I even checked the ILS at most of these titles, just to be sure actual real physical people were checking them out. Indeed.

I predict the second half of the Dewey ranges would do markedly better (550-999: diet, workout, cooking, business, crafts, travel).

This data sort of justifies our “conservative” target – clearly people still want some of these books. You could argue that weeding Almost Dead Books would actually lead to more total circulation by freeing up space for newer books.

I don’t want to oversimplify things. Weeding isn’t a simple 6 months vs. 4 years decision. Every Dewey range and every genre of fiction should  be treated differently, and there are myriad other considerations. I just wanted to repeat the buzzword because it matters so much in our profession: data-driven decision making. Whatever you do at your library, try to get data to inform the decision. You might be surprised.

Questions about how to do these experiments in CollectionHQ?